package com.study.controller;

import com.auth0.jwt.exceptions.AlgorithmMismatchException;
import com.auth0.jwt.exceptions.SignatureVerificationException;
import com.auth0.jwt.exceptions.TokenExpiredException;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.study.entity.User;

import com.study.service.UserService;
import com.study.utils.JWTUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

@RestController
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @GetMapping("/user/login")
    public Map<String,Object> login(User user){

        log.info("用户名：[{}]",user.getUsername());
        log.info("密码：[{}]",user.getPassword());
        Map<String,Object> map = new HashMap<>();

        Map<String,String> payload = new HashMap<>();




        try{
            User userDB = userService.login(user);
            payload.put("id",userDB.getId());
            payload.put("name",userDB.getUsername());
            payload.put("password",userDB.getPassword());

            //生成Token令牌
            String token = JWTUtils.getToken(payload);

            map.put("state",true);
            map.put("msg","认证成功");
            map.put("token",token);
        }catch(Exception e){
            e.printStackTrace();
            map.put("state",false);
            map.put("msg",e.getMessage());
        }


        return map;

    }

    @PostMapping("/user/test")
    public Map<String,Object> test(HttpServletRequest request){

        Map<String,Object> map = new HashMap<>();

        //处理业务逻辑,
        String token = request.getHeader("token");
        DecodedJWT tokenInfo = JWTUtils.getTokenInfo(token);
        String id = tokenInfo.getClaim("id").asString();
        String name = tokenInfo.getClaim("name").asString();
        System.out.println("id:"+id+"------------"+"name:"+name);


        map.put("",true);
        map.put("msg","请求成功");
        return map;
    }

}
